This 500-ft. reel of 3/16-in. diameter garage door cable from North Shore Commercial Door is a favorite buy for professional installers and DIY replacements of multiple residential or commercial garage door cables. This galvanized steel cable has seven twisted strands with 19 wires per strand for extra strength. A crimpled cable stop is included with this flexible replacement garage door cable. This sturdy cable is specially engineered to move evenly on the cable drum that lifts and lowers garage doors.